I am a finesse wheeler and only use the skinny pedal when a absolutely have to.
I know that stock springs are very prone, but with a little work, leaf springs can flex and still control spring wrap. Both my Jeep and my 4runner had 4-6 inch spring perches and had either a 4:1 t-case or double cases with stock and 4:1 gearing on 35's.
Jack
And there you go.. I ran stock springs, spring over with no trac bar through a couple of trails out at the hammers. The only reason my springs lived was because I did not get on the gas at all..
If need to hammer it, or are doing a throttle climb you will have problems..
I know three different people that used the long spring perches.. They ended up bending the spring perches over time..
It is one of those things that you might be able to deal with (like lockers and the old drum brake birfs) but, the problem is if you get put in a situation where you need to step on the gas to get out of... And you are left with a non functional rear axle..
Good insurance..